Battery tester



FIG. 1 is a perspective view of a battery tester showing our new design.

FIG. 2 is a side elevational view thereof.

FIG. 3 is a top plan view taken along line 3--3 _of FIG. 2.

FIG. 4 is a bottom plan view taken along line 4--4 of FIG. 4. 

The ornamental design for a battery tester, substantially as shown and described. 